Maggie Siff is an American actress born on June 21, 1974, in The Bronx, New York. Now 52 years old, she has built a career around complex, often conflicted women in some of the most acclaimed television dramas of the past two decades. From the advertising world of Mad Men to the high-stakes finance of Billions, Siff has consistently chosen quality over quantity.
Her performances as Rachel Menken Katz, Dr. Tara Knowles, and Wendy Rhoades have made her a familiar face in premium cable. Yet away from the screen, she maintains a level of privacy rare in the entertainment industry. This article gathers verified information about her life, career, and the boundaries she has set around her personal affairs.
Below, we look at the facts known about her age, family, education, and professional milestones.
Who Is Maggie Siff?
Maggie Siff
June 21, 1974
52 (as of 2026)
Actress
Mad Men, Billions, Sons of Anarchy
No verified figure available
Key Insights
- She is a critically acclaimed actress known for complex roles in prestige television.
- Siff is notably private about her personal life, rarely discussing her husband or family in interviews.
- Her role as Rachel Menken on Mad Men launched her career, followed by starring roles on Sons of Anarchy and Billions.
- Despite a successful career spanning three decades, her net worth remains unconfirmed because she does not publicly discuss financial matters.
- She holds a master’s degree in Fine Arts from NYU’s Tisch School of the Arts, reflecting a strong foundation in theater.
- Siff has no public social media presence, including Instagram.
| Attribute | Details |
|---|---|
| Birth | June 21, 1974, Bronx, New York |
| Height | 5′ 5″ (1.65 m) |
| Education | B.A. from Bryn Mawr College (1996), M.F.A. from New York University |
| Spouse | Paul Ratliff (married 2012; died 2021) |
| Children | One daughter, Lucy (born April 2014) |
| Active Years | 1996–present |
| Notable Awards | Nominated for Critics’ Choice Television Award, Satellite Award |
| Early Education | Bronx High School of Science |
Maggie Siff’s Personal Life: Husband, Partner, and Kids
Unlike many celebrities, Siff has kept her family life largely out of the public eye. What is known comes from a limited number of interviews and official records.
Husband and Family
She married Paul Ratliff in 2012. Ratliff, who worked in the music industry, died in 2021 due to brain cancer, according to public sources including Wikipedia. The couple had one daughter, Lucy, born in April 2014. Siff has not publicly discussed any new partner since her husband’s death.
Privacy and Social Media
Siff has stated in interviews that she avoids social media entirely. A 2018 profile in The Cut explicitly notes that she “eschews social media” and does not maintain an Instagram account. This deliberate distance from digital platforms is consistent with her guarded approach to personal information.
Paul Ratliff is named as her spouse in authoritative sources like Wikipedia and IMDb. However, Siff herself has never discussed her marriage in depth. The privacy she maintains means some details about their relationship remain unconfirmed by her directly.
Maggie Siff’s Career: Movies, TV Shows, and Billions
Siff’s career began on stage and moved to television, where she landed roles that defined an era of prestige drama.
Early Work and Education
She attended the Bronx High School of Science, earned a BA from Bryn Mawr College in 1996, and later received a Master of Fine Arts from NYU’s Tisch School of the Arts, as detailed on her IMDb trivia page. Her theatre credits include Orpheus Descending, Curse of the Starving Class, A Lie of the Mind, Much Ado About Nothing, and The Taming of the Shrew, according to Broadway.com.
Breakout Role on Mad Men
In 2007, Siff was cast as Rachel Menken Katz in the first season of AMC’s Mad Men. The role earned her critical attention and set the stage for future high-profile parts.
Sons of Anarchy and Billions
She played Dr. Tara Knowles on FX’s Sons of Anarchy from 2008 to 2011, and from 2016 to 2023 she portrayed Wendy Rhoades on Showtime’s Billions. Both characters allowed her to explore morally ambiguous territory.
Selected Filmography
- Push (2009)
- Leaves of Grass (2009)
- Concussion
- The Fifth Wave
- One Percent More Humid
- The Sweet Life
- The Short History of the Long Road
- A Woman, a Part (also known as A Woman/A Part)
Siff’s early training in theater at NYU shaped her approach to character work. She has said in interviews that stage work remains central to her craft, even after moving to screen.
Maggie Siff’s Net Worth and Age
As of 2026, Siff is 52 years old, born on June 21, 1974. Regarding her net worth, no reliable figure exists in public sources. Estimates range between $3 million and $5 million, but these are speculative. Siff does not discuss her finances, and no official disclosure has been made.
Several websites publish estimated net worth figures for Maggie Siff, but none are supported by verifiable financial records or statements from the actress or her representatives. The numbers should be treated as guesses.
Is Maggie Siff on Instagram?
No. According to a detailed 2018 profile in The Cut, Siff avoids social media entirely. She does not maintain an Instagram, Twitter, or other public social media account. This aligns with her general preference for privacy.
Key Milestones in Maggie Siff’s Life
- 1974 – Born in The Bronx, New York.
- 1996 – Graduated from Bryn Mawr College.
- 2000 – Earned M.F.A. from NYU.
- 2007 – Cast as Rachel Menken on Mad Men (seasons 1–2).
- 2010 – Cast as Tara Knowles on Sons of Anarchy.
- 2012 – Married Paul Ratliff.
- 2014 – Daughter Lucy born in April.
- 2016 – Cast as Wendy Rhoades on Billions.
- 2021 – Husband Paul Ratliff died.
- 2023 – Billions concluded after seven seasons.
What Is Known and What Remains Unclear About Maggie Siff?
| Established Information | Information That Remains Unclear |
|---|---|
| Date of birth (June 21, 1974) and age (52) | Exact net worth |
| Education (Bronx High School of Science, Bryn Mawr, NYU) | Identity of current partner (if any) after husband’s death |
| Notable TV roles (Mad Men, Sons of Anarchy, Billions) | Future projects after Billions |
| Married to Paul Ratliff in 2012; one daughter born 2014 | Specific financial arrangements |
| No Instagram or social media presence | Personal views on political or social issues |
How Does Maggie Siff’s Career Reflect Her Personal Choices?
Siff’s trajectory from indie theater to leading roles in prestige television illustrates a deliberate focus on craft over fame. She has chosen roles that allow her to portray strong, intelligent, often conflicted women. Her privacy in personal matters stands in contrast to the visibility of her characters, suggesting a clear boundary between public performance and private life. The absence of verified net worth data and her avoidance of social media further indicate that she prioritizes the quality of her work over public scrutiny.
Her continued involvement in high-profile projects like Billions points to financial stability, but without official confirmation, any estimate of her wealth remains speculation. As of 2025, no upcoming projects have been announced, though she may return to theater or take on limited series roles in the future.
Where Can You Find Reliable Information About Maggie Siff?
The most authoritative sources for her biography include Wikipedia, IMDb, and Rotten Tomatoes. Her theatre credits are documented on Broadway.com. The Actors Center provides a professional biography, though it has not been updated recently. The Mad Men Wiki offers fan-curated details but lacks official editorial oversight. Direct interviews with Siff are rare; the 2018 profile in The Cut is one of the few substantial pieces in which she speaks about her personal boundaries.
No direct quotes from Siff appear in publicly available interviews, as she grants only limited access to the press.
What Are the Key Takeaways About Maggie Siff?
Maggie Siff is a highly respected actress who has made a career out of demanding, layered roles. She values her privacy to an unusual degree, keeping her family life and finances out of the spotlight. Her education and theatre background give her performances a depth that resonates with audiences. For those interested in actresses with similar career trajectories, the profiles of Julia Garner – Full Biography, Age, Height, and Net Worth and Calista Flockhart – Biography, Career and Private Life Today offer comparable insights into the lives of distinguished television actresses.
Frequently Asked Questions About Maggie Siff
What is Maggie Siff’s most famous role?
She is best known for playing Wendy Rhoades on Billions, Rachel Menken on Mad Men, and Tara Knowles on Sons of Anarchy.
How old is Maggie Siff?
She was born on June 21, 1974, making her 52 years old as of 2026.
Does Maggie Siff have children?
Yes, she has one daughter named Lucy, born in April 2014.
Is Maggie Siff married?
She was married to Paul Ratliff from 2012 until his death in 2021. She has not publicly discussed a new partner.
What is Maggie Siff’s net worth?
No reliable net worth figure is available. Estimates vary but are not confirmed by Siff or her representatives.
Does Maggie Siff have Instagram?
No. She avoids social media entirely and does not maintain a public Instagram account.
What is Maggie Siff’s educational background?
She graduated from the Bronx High School of Science, earned a BA from Bryn Mawr College in 1996, and an MFA from NYU’s Tisch School of the Arts.
What movies has Maggie Siff appeared in?
Her film credits include Push, Leaves of Grass, Concussion, The Fifth Wave, One Percent More Humid, The Sweet Life, The Short History of the Long Road, and A Woman, a Part.
Is Maggie Siff active on any social media?
No. Multiple sources confirm that she avoids all social media platforms, including Instagram.
Does Maggie Siff have any upcoming projects?
As of 2025, no new projects have been announced. She may return to stage work or take on limited series roles.
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Philip Rowe is Senior Reporter at UKBullet.uk, covering breaking UK news stories.